CN107674306A - A kind of high intensity engine bonnet and its production technology - Google Patents
A kind of high intensity engine bonnet and its production technology Download PDFInfo
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- CN107674306A CN107674306A CN201711024447.2A CN201711024447A CN107674306A CN 107674306 A CN107674306 A CN 107674306A CN 201711024447 A CN201711024447 A CN 201711024447A CN 107674306 A CN107674306 A CN 107674306A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0095—Constructing engine casings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to engine bonnet field, especially a kind of high intensity engine bonnet and its production technology, the problem of for available engine cover lid poor radiation, stability difference and low intensity, it includes hood lid housing, the top surface of the hood lid housing is uniformly provided with circular louvre, the inner roof wall of hood lid housing is provided with heat conduction plate, and heat conduction plate is located at the underface of circular louvre, includes the raw material of following parts by weight：3~5 parts of nano titanium oxide, 0.5~0.8 part of heat stabilizer, 25~40 parts of filler, 5~8 parts of graphene, 5~8 parts of dioctyl phthalate, 3~5 parts of PPTA, 5~11 parts of aluminum oxide cenosphere, 5~8 parts of copper powders, 3~6 parts of dispersant.Engine bonnet proposed by the present invention has the advantages of thermal diffusivity is good, stability is strong and intensity is high, is adapted to promote.
Description
Technical field
The present invention relates to engine bonnet technical field, more particularly to a kind of high intensity engine bonnet and its production work
Skill.
Background technology
Engine bonnet is mainly used in reducing mechanical wounding, dustproof and waterproof, engine is played a protective role, its structure one
As be made up of housing and inner panel, inner panel plays the rigid effect of enhancing, and its geometry is chosen by producer, substantially skeleton shape
Formula.Due to engine bonnet be mainly used for protect engine, therefore, for engine bonnet major requirement be sound insulation, itself
Light weight, rigidity are strong.
Patent No. CN200810122747.9 proposes a kind of moulding process of automobile engine cover, the technique it by following
The raw material of weight proportion is made：It is nylon66 fiber 40%-50%, poly- terephthalate p-phenylenediamine 25-30%, glass 20-30%, black
Color masterbatch 1-5%, it is that there is easy manufacturability the advantages of the invention, high impact resistance, high intensity, excellent resistance toization
The property learned, good stability of the dimension, product surface is bright and clean, reduces the energy, improves the production efficiency of product, reduce environmental pollution, and mitigates
Complete vehicle weight, noise is reduced, but the cover lid radiating effect is poor, operationally, heat needs automobile head to give out to engine
Go, what cover lid played a part of is dust control and noise absorption, but can not influence the heat dispersion of automobile, due to being produced when engine is run
Temperature it is very high, common plasticses are easily deformed, and therefore, the heat endurance of engine will get well, therefore, the present invention propose it is a kind of high
Intensity engine bonnet and its production technology, for solving the deficiencies in the prior art.
The content of the invention
A kind of high intensity engine bonnet proposed by the present invention and its production technology, solves the radiating of available engine cover lid
Property is poor, stability is poor and the problem of low intensity.
To achieve these goals, present invention employs following technical scheme：
A kind of high intensity engine bonnet, including hood lid housing, the top surface of the hood lid housing
Circular louvre is uniformly provided with, the inner roof wall of hood lid housing is provided with heat conduction plate, and four sides of heat conduction plate are prolonged
In the side wall for extending hood lid housing, and heat conduction plate is located at the underface of circular louvre.
Preferably, the heat conduction plate uses one kind in metallic copper plate, albronze plate and graphite radiating plate.
Preferably, the heat conduction plate is bonded in by waterproof glue on the inner roof wall of hood lid housing.
Preferably, the heat conduction plate is fixedly connected in the inner roof wall of hood lid housing by bolts and nuts
On, wherein, bolt extend through engine bonnet housing sidewall and heat conduction plate from the outside of hood lid housing after with spiral shell
Box thread connects.
A kind of production technology of high intensity engine bonnet, its preparation method comprise the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：80~100 parts of plastic resin, receive
Rice 3~5 parts of titanium dioxide, 15~25 parts of cellulose, 0.5~0.8 part of heat stabilizer, 25~40 parts of filler, 5~8 parts of graphene,
5~8 parts of dioctyl phthalate, 5~8 parts of glass fibre, 3~5 parts of PPTA, toughener 1~3
Part, 1~3 part of bulking agent, 5~11 parts of aluminum oxide cenosphere, 1~3 part of surfactant, 1~1.5 part of antioxidant, coupling
1~3 part of agent, 5~8 parts of copper powders, 3~6 parts of dispersant；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground
Particle diameter is 0.01~0.1mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide couple
Phenylenediamine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 60~65 DEG C, 30~50min of ultrasonic disperse, point
Dissipate uniform mixture B；
S4, the mixture B in S3 and plastic resin, cellulose, filler, surfactant and coupling agent are put into agitator tank
In be sufficiently stirred, at a temperature of 100~165 DEG C, with 500~900r/min rotating speed 15~30min of high-speed stirred, then add
Enter antioxidant, heat stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 130~185 DEG C, with 550~1100r/
Min rotating speed 30~45min of high-speed stirred, obtains compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form engine bonnet shell
Body.
Preferably, the Tissuemat E molecular weight is 3000~5000, toughener be ethylene-octene copolymer or ethene-
Vinyl acetate co-polymer, bulking agent are maleic anhydride grafted polyethylene or maleic anhydride inoculated polypropylene, and surfactant is
One kind in lauryl sodium sulfate, Tween 80 or sorbester p17.
Preferably, the nano titanium dioxide anti-bacterial agent is that average grain diameter is 20 ± 10nm or 10 ± 5nm anatase titanium dioxide is received
Rice titanium dioxide.
Preferably, the plastic resin is in polypropylene plastics resin, vinyon resin, polystyrene plastics resin
One kind.
Preferably, S1 includes the raw material of following parts by weight：88 parts of plastic resin, 3.8 parts of nano titanium oxide, cellulose
21.5 parts, 0.66 part of heat stabilizer, 32 parts of filler, 6.7 parts of graphene, 6.7 parts of dioctyl phthalate, glass fibre 6.7
Part, 3.8 parts of PPTA, 2.1 parts of toughener, 2.1 parts of bulking agent, 8.2 parts of aluminum oxide cenosphere, surface
1.6 parts of activating agent, 1.22 parts of antioxidant, 1.2 parts of coupling agent, 6.7 parts of copper powders, 4.55 parts of dispersant.
Preferably, the graphene, dioctyl phthalate, glass fibre, PPTA, toughness reinforcing
The weight ratio of agent, bulking agent and aluminum oxide cenosphere is 1：1：1：0.4~0.6：0.23~0.33.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the heat of engine can be conducted in the present invention by the design of heat conduction plate to the outside of housing, and shell
Body is provided with circular louvre, can accelerate distributing for heat, improves the radiating effect of housing, and the two is applied in combination, although setting
Circular louvre is equipped with, but heat conduction plate can block heat emission hole, can prevent dust from entering in engine；
2nd, copper fine powder is added in hood lid housing in the present invention, the thermal conductivity of copper is very good, so as to engine bonnet
Housing has good heat conductivility；
3rd, aluminum oxide cenosphere and dioctyl phthalate, Ke Yiti are added in the present invention in hood lid housing
The soundproof effect of high hood lid housing, so as to avoid that the noise of engine is excessive and user impacts；
4th, the present invention passes through the addition of heat stabilizer, PPTA and nano titanium oxide, Ke Yiti
The intensity of high engine bonnet；
In summary, engine bonnet proposed by the present invention has the advantages of thermal diffusivity is good, stability is strong and intensity is high, fits
Close and promote.
Brief description of the drawings
Fig. 1 is a kind of structural representation of high intensity engine bonnet proposed by the present invention；
In figure：1 hood lid housing, 2 heat conduction plates, 3 circular louvres.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1, a kind of high intensity engine bonnet, including hood lid housing 1, the top of hood lid housing 1
Portion surface is uniformly provided with circular louvre 3, and the inner roof wall of hood lid housing 1 is provided with heat conduction plate 2, heat conduction plate 2
Four extend sideways to the side wall of hood lid housing 1, and heat conduction plate 2 is located at the underface of circular louvre 3, heat conduction
Plate 2 passes through waterproof glue using one kind in metallic copper plate, albronze plate and graphite radiating plate, heat conduction plate 2
It is bonded on the inner roof wall of hood lid housing 1, heat conduction plate 2 is fixedly connected in hood by bolts and nuts
On the inner roof wall of lid housing 1, wherein, bolt extends through the side wall of hood lid housing 1 from the outside of hood lid housing 1
It is connected with after heat conduction plate 2 with nut thread.
Embodiment one
A kind of production technology of high intensity engine bonnet, its preparation method comprise the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：Part, nanometer two of plastic resin 88
3.8 parts of titanium oxide, 21.5 parts of cellulose, 0.66 part of heat stabilizer, 32 parts of filler, 6.7 parts of graphene, dioctyl phthalate
6.7 parts, 6.7 parts of glass fibre, 3.8 parts of PPTA, 2.1 parts of toughener, 2.1 parts of bulking agent, aluminum oxide
8.2 parts of cenosphere, 1.6 parts of surfactant, 1.22 parts of antioxidant, 1.2 parts of coupling agent, 6.7 parts of copper powders, dispersant
4.55 part；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground
Particle diameter is 0.08mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide couple
Phenylenediamine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 60 DEG C, ultrasonic disperse 30min, are uniformly dispersed
Mixture B；
S4, the mixture B in S3 and plastic resin, cellulose, filler, surfactant and coupling agent are put into agitator tank
In be sufficiently stirred, at a temperature of 100 DEG C, with 550r/min rotating speed high-speed stirred 17min, add antioxidant, heat
Stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 135 DEG C, with 600r/min rotating speed high-speed stirred 33min, is obtained
To compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form engine bonnet shell
Body.
Embodiment two
A kind of production technology of high intensity engine bonnet, its preparation method comprise the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：Part, nanometer two of plastic resin 88
3.8 parts of titanium oxide, 21.5 parts of cellulose, 0.66 part of heat stabilizer, 32 parts of filler, 6.7 parts of graphene, dioctyl phthalate
6.7 parts, 6.7 parts of glass fibre, 3.8 parts of PPTA, 2.1 parts of toughener, 2.1 parts of bulking agent, aluminum oxide
8.2 parts of cenosphere, 1.6 parts of surfactant, 1.22 parts of antioxidant, 1.2 parts of coupling agent, 6.7 parts of copper powders, dispersant
4.55 part；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground
Particle diameter is 0.06mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide couple
Phenylenediamine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 62 DEG C, ultrasonic disperse 35min, are uniformly dispersed
Mixture B；
S4, the mixture B in S3 and plastic resin, cellulose, filler, surfactant and coupling agent are put into agitator tank
In be sufficiently stirred, at a temperature of 160 DEG C, with 605r/min rotating speed high-speed stirred 18min, add antioxidant, heat
Stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 145 DEG C, with 650r/min rotating speed high-speed stirred 37min, is obtained
To compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form engine bonnet shell
Body.
Embodiment three
A kind of production technology of high intensity engine bonnet, its preparation method comprise the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：Part, nanometer two of plastic resin 88
3.8 parts of titanium oxide, 21.5 parts of cellulose, 0.66 part of heat stabilizer, 32 parts of filler, 6.7 parts of graphene, dioctyl phthalate
6.7 parts, 6.7 parts of glass fibre, 3.8 parts of PPTA, 2.1 parts of toughener, 2.1 parts of bulking agent, aluminum oxide
8.2 parts of cenosphere, 1.6 parts of surfactant, 1.22 parts of antioxidant, 1.2 parts of coupling agent, 6.7 parts of copper powders, dispersant
4.55 part；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground
Particle diameter is 0.02mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide couple
Phenylenediamine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 63 DEG C, ultrasonic disperse 40min, are uniformly dispersed
Mixture B；
S4, the mixture B in S3 and plastic resin, cellulose, filler, surfactant and coupling agent are put into agitator tank
In be sufficiently stirred, at a temperature of 145 DEG C, with 750r/min rotating speed high-speed stirred 22min, add antioxidant, heat
Stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 145 DEG C, with 750r/min rotating speed high-speed stirred 39min, is obtained
To compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form engine bonnet shell
Body.
Example IV
A kind of production technology of high intensity engine bonnet, its preparation method comprise the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：Part, nanometer two of plastic resin 88
3.8 parts of titanium oxide, 21.5 parts of cellulose, 0.66 part of heat stabilizer, 32 parts of filler, 6.7 parts of graphene, dioctyl phthalate
6.7 parts, 6.7 parts of glass fibre, 3.8 parts of PPTA, 2.1 parts of toughener, 2.1 parts of bulking agent, aluminum oxide
8.2 parts of cenosphere, 1.6 parts of surfactant, 1.22 parts of antioxidant, 1.2 parts of coupling agent, 6.7 parts of copper powders, dispersant
4.55 part；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground
Particle diameter is 0.04mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide couple
Phenylenediamine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 65 DEG C, ultrasonic disperse 50min, are uniformly dispersed
Mixture B；
S4, the mixture B in S3 and plastic resin, cellulose, filler, surfactant and coupling agent are put into agitator tank
In be sufficiently stirred, at a temperature of 165 DEG C, with 850r/min rotating speed high-speed stirred 26min, add antioxidant, heat
Stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 155 DEG C, with 800r/min rotating speed high-speed stirred 42min, is obtained
To compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form engine bonnet shell
Body.
Respectively test the embodiment of the present invention one~tetra- in engine bonnet combination property, and with certain commercially available brand
Engine bonnet (is made to ratio) performance and contrasted, and draws following result：
Wherein, anti-flammability condition is that vertical combustion removes burning things which may cause a fire disaster after 10 seconds, records flame self-extinguishing time.
The present invention, by the design of heat conduction plate, the heat of engine can be conducted to the outside of housing, and on housing
Provided with circular louvre, distributing for heat can be accelerated, improve the radiating effect of housing, the two is applied in combination, although provided with
Circular louvre, but heat conduction plate can block heat emission hole, can prevent dust from entering in engine；Start in the present invention
Copper fine powder is added in hood lid housing, the thermal conductivity of copper is very good, so as to which hood lid housing has good heat conductivility；
Aluminum oxide cenosphere and dioctyl phthalate are added in the present invention in hood lid housing, hood can be improved
The soundproof effect of lid housing, so as to avoid that the noise of engine is excessive and user impacts；The present invention by heat stabilizer,
The addition of PPTA and nano titanium oxide, the intensity of engine bonnet can be improved；In summary, originally
The engine bonnet that invention proposes has the advantages of thermal diffusivity is good, stability is strong and intensity is high, is adapted to promote.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of high intensity engine bonnet, including hood lid housing (1), it is characterised in that the engine bonnet shell
The top surface of body (1) is uniformly provided with circular louvre (3), and the inner roof wall of hood lid housing (1) is provided with heat conduction plate
(2), four of heat conduction plate (2) extend sideways to the side wall of hood lid housing (1), and heat conduction plate (2) is positioned at circle
The underface of shape heat emission hole (3).
2. a kind of high intensity engine bonnet according to claim 1, it is characterised in that the heat conduction plate (2) uses
One kind in metallic copper plate, albronze plate and graphite radiating plate.
3. a kind of high intensity engine bonnet according to claim 1, it is characterised in that the heat conduction plate (2) passes through
Waterproof glue is bonded on the inner roof wall of hood lid housing (1).
4. a kind of high intensity engine bonnet according to claim 1, it is characterised in that the heat conduction plate (2) passes through
Bolts and nuts are fixedly connected on the inner roof wall of hood lid housing (1), wherein, bolt is from hood lid housing
(1) outside extends through hood lid housing (1) side wall and heat conduction plate (2) is connected with nut thread afterwards.
5. a kind of production technology of high intensity engine bonnet, it is characterised in that its preparation method comprises the following steps：
S1, the preparation of hood lid housing raw material, include the raw materials of following parts by weight：Part, nanometer two of plastic resin 80~100
3~5 parts of titanium oxide, 15~25 parts of cellulose, 0.5~0.8 part of heat stabilizer, 25~40 parts of filler, 5~8 parts of graphene, adjacent benzene
5~8 parts of diformazan dioctyl phthalate, 5~8 parts of glass fibre, 3~5 parts of PPTA, 1~3 part of toughener, increasing
Hold 1~3 part of agent, 5~11 parts of aluminum oxide cenosphere, 1~3 part of surfactant, 1~1.5 part of antioxidant, coupling agent 1~3
Part, 5~8 parts of copper powders, 3~6 parts of dispersant；
S2, the copper powders of the proportion, graphene and aluminum oxide cenosphere are put into grinder, are fully ground to obtain particle diameter
For 0.01~0.1mm micro mist A；
S3, by the dioctyl phthalate of the micro mist A in S2 and the proportion, glass fibre, poly- paraphenylene terephthalamide to benzene two
Amine and nano titanium oxide are put into ultrasonic machine jointly, at a temperature of 60~65 DEG C, 30~50min of ultrasonic disperse, are disperseed equal
It is even to obtain mixture B；
S4, the mixture B in S3 is put into agitator tank with plastic resin, cellulose, filler, surfactant and coupling agent
Row is sufficiently stirred, and at a temperature of 100~165 DEG C, with 500~900r/min rotating speed 15~30min of high-speed stirred, is added anti-
Oxidant, heat stabilizer, toughener and bulking agent, temperature is raised, at a temperature of 130~185 DEG C, with 550~1100r/min's
Rotating speed 30~45min of high-speed stirred, obtains compound C；
S5, compound C are put into extruder, and extruder carries out injection molding to compound C, form hood lid housing.
A kind of 6. production technology of high intensity engine bonnet according to claim 5, it is characterised in that the polyethylene
Wax molecular weight is 3000~5000, and toughener is ethylene-octene copolymer or ethylene-vinyl acetate copolymer, and bulking agent is
Maleic anhydride grafted polyethylene or maleic anhydride inoculated polypropylene, surfactant are lauryl sodium sulfate, Tween 80 or department
One kind in disk 80.
A kind of 7. production technology of high intensity engine bonnet according to claim 5, it is characterised in that the nanometer two
Titanium oxide antiseptic is that average grain diameter is 20 ± 10nm or 10 ± 5nm nanometer anatase titania.
A kind of 8. production technology of high intensity engine bonnet according to claim 5, it is characterised in that the plastic tree
Fat is one kind in polypropylene plastics resin, vinyon resin, polystyrene plastics resin.
A kind of 9. production technology of high intensity engine bonnet according to claim 5, it is characterised in that S1 include with
The raw material of lower parts by weight：88 parts of plastic resin, 3.8 parts of nano titanium oxide, 21.5 parts of cellulose, 0.66 part of heat stabilizer, fill out
32 parts of material, 6.7 parts of graphene, 6.7 parts of dioctyl phthalate, 6.7 parts of glass fibre, PPTA
3.8 parts, 2.1 parts of toughener, 2.1 parts of bulking agent, 8.2 parts of aluminum oxide cenosphere, 1.6 parts of surfactant, antioxidant
1.22 parts, 1.2 parts of coupling agent, 6.7 parts of copper powders, 4.55 parts of dispersant.
A kind of 10. production technology of high intensity engine bonnet according to claim 5, it is characterised in that the graphite
Alkene, dioctyl phthalate, glass fibre, PPTA, toughener, bulking agent and aluminum oxide are hollow micro-
The weight ratio of pearl is 1：1：1：0.4~0.6：0.23~0.33.
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| CN201711024447.2A CN107674306A (en) | 2017-10-27 | 2017-10-27 | A kind of high intensity engine bonnet and its production technology |
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| CN201711024447.2A CN107674306A (en) | 2017-10-27 | 2017-10-27 | A kind of high intensity engine bonnet and its production technology |
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| CN107674306A true CN107674306A (en) | 2018-02-09 |
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Cited By (1)
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|---|---|---|---|---|
| WO2022063064A1 (en) * | 2020-09-23 | 2022-03-31 | 华为技术有限公司 | Housing, vibration assembly, and vehicle |
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